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Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C.

Allergy & Immunology (Internal Medicine) Physician in Hyannis, MA · enumerated 2020 · authorized official John Johnson, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1376177790

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Registry record

Entity type Organization (Type 2)
Legal business name Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C.
Other name <Unavail>
Practice address 433 W Main St, Hyannis, MA, 02601
Phone (508) 362-0099
Enumeration date Feb 25, 2020
Last updated in NPPES Aug 5, 2023

Taxonomy & classification

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians Primary
2080P0201X Pediatric Allergy/Immunology Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name John Johnson
Title Owner
Phone (978) 604-1316

Other identifiers

Identifier Type State Issuer
1043650641 Medicaid MA -
1376177790 Medicaid MA -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.
What type of organization is Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C.?
Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C. is registered in NPPES as a Allergy & Immunology (Internal Medicine) Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-05.